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US10610708B2 - Indicating hazardous exposure in a supplied air respirator system - Google Patents

Indicating hazardous exposure in a supplied air respirator system Download PDF

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Publication number
US10610708B2
US10610708B2 US15/190,564 US201615190564A US10610708B2 US 10610708 B2 US10610708 B2 US 10610708B2 US 201615190564 A US201615190564 A US 201615190564A US 10610708 B2 US10610708 B2 US 10610708B2
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United States
Prior art keywords
head top
visor
contaminant
worker
open position
Prior art date
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Application number
US15/190,564
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English (en)
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US20170368381A1 (en
Inventor
Steven T. Awiszus
Kiran S. Kanukurthy
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3M Innovative Properties Co
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3M Innovative Properties Co
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Priority to US15/190,564 priority Critical patent/US10610708B2/en
Assigned to 3M INNOVATIVE PROPERTIES COMPANY reassignment 3M INNOVATIVE PROPERTIES COMPANY ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: AWISZUS, STEVEN T, KANUKURTHY, KIRAN S.
Priority to KR1020197002058A priority patent/KR20190022686A/ko
Priority to EP17740820.0A priority patent/EP3474958B1/fr
Priority to AU2017281368A priority patent/AU2017281368B9/en
Priority to CN201780038616.XA priority patent/CN109310893B/zh
Priority to BR112018076861-8A priority patent/BR112018076861A2/pt
Priority to RU2018146194A priority patent/RU2719814C1/ru
Priority to CA3029217A priority patent/CA3029217A1/fr
Priority to PCT/US2017/038846 priority patent/WO2017223367A1/fr
Priority to BR112018076962-2A priority patent/BR112018076962A2/pt
Priority to PCT/US2017/038983 priority patent/WO2017223438A1/fr
Priority to PCT/US2017/039041 priority patent/WO2017223476A1/fr
Priority to US16/310,905 priority patent/US11963571B2/en
Priority to EP17735343.0A priority patent/EP3475894A1/fr
Priority to AU2017281894A priority patent/AU2017281894A1/en
Priority to EP17736840.4A priority patent/EP3475896B1/fr
Priority to KR1020197002057A priority patent/KR102438591B1/ko
Priority to US16/310,893 priority patent/US11925232B2/en
Priority to PCT/US2017/039003 priority patent/WO2017223451A1/fr
Priority to RU2018146189A priority patent/RU2715116C1/ru
Priority to AU2017281906A priority patent/AU2017281906B2/en
Priority to KR1020197002061A priority patent/KR102013114B1/ko
Priority to RU2018146884A priority patent/RU2718976C1/ru
Priority to PCT/US2017/039030 priority patent/WO2017223469A1/fr
Priority to EP17737124.2A priority patent/EP3474956A1/fr
Priority to PCT/US2017/039015 priority patent/WO2017223459A1/fr
Priority to BR112018076802-2A priority patent/BR112018076802A2/pt
Priority to RU2018146887A priority patent/RU2719555C1/ru
Priority to AU2017281902A priority patent/AU2017281902B2/en
Priority to AU2017281699A priority patent/AU2017281699B2/en
Priority to CN201780038869.7A priority patent/CN109414602B/zh
Priority to CN201780040346.6A priority patent/CN109416776B/zh
Priority to CN201780038859.3A priority patent/CN109310524B/zh
Priority to CN201780039273.9A priority patent/CN109416775B/zh
Priority to CN201780038915.3A priority patent/CN109310894B/zh
Priority to BR112018076865-0A priority patent/BR112018076865A2/pt
Priority to CA3028977A priority patent/CA3028977A1/fr
Priority to JP2018567243A priority patent/JP6807405B2/ja
Priority to US15/631,870 priority patent/US9998804B2/en
Priority to BR112018076918A priority patent/BR112018076918A8/pt
Priority to CA3029239A priority patent/CA3029239A1/fr
Priority to CA3028987A priority patent/CA3028987A1/fr
Priority to US16/310,899 priority patent/US10849790B2/en
Priority to EP17737948.4A priority patent/EP3474957B1/fr
Priority to EP17734956.0A priority patent/EP3474797A1/fr
Priority to JP2018567236A priority patent/JP6929309B2/ja
Priority to US15/631,950 priority patent/US11023818B2/en
Priority to KR1020197002056A priority patent/KR102416408B1/ko
Priority to KR1020197002063A priority patent/KR102015753B1/ko
Priority to CA3029238A priority patent/CA3029238A1/fr
Publication of US20170368381A1 publication Critical patent/US20170368381A1/en
Priority to US15/987,971 priority patent/US10542332B2/en
Priority to IL263703A priority patent/IL263703B/en
Priority to IL263756A priority patent/IL263756A/en
Priority to CL2018003743A priority patent/CL2018003743A1/es
Priority to CL2018003737A priority patent/CL2018003737A1/es
Priority to CL2018003749A priority patent/CL2018003749A1/es
Priority to CL2018003804A priority patent/CL2018003804A1/es
Priority to CL2018003801A priority patent/CL2018003801A1/es
Priority to US16/714,885 priority patent/US11343598B2/en
Priority to IL272378A priority patent/IL272378A/en
Priority to AU2020201047A priority patent/AU2020201047B2/en
Application granted granted Critical
Publication of US10610708B2 publication Critical patent/US10610708B2/en
Priority to JP2020139018A priority patent/JP2021002356A/ja
Priority to US17/302,214 priority patent/US12488261B2/en
Priority to US17/660,660 priority patent/US11689833B2/en
Priority to US18/312,736 priority patent/US11979696B2/en
Priority to US18/649,188 priority patent/US12368984B2/en
Priority to US19/243,509 priority patent/US20250317673A1/en
Active legal-status Critical Current
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Classifications

    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B18/00—Breathing masks or helmets, e.g. affording protection against chemical agents or for use at high altitudes or incorporating a pump or compressor for reducing the inhalation effort
    • A62B18/04—Gas helmets
    • A62B18/045—Gas helmets with fans for delivering air for breathing mounted in or on the helmet
    • A—HUMAN NECESSITIES
    • A42—HEADWEAR
    • A42B—HATS; HEAD COVERINGS
    • A42B1/00—Hats; Caps; Hoods
    • A42B1/018—Hats; Caps; Hoods with means for protecting the eyes, ears or nape, e.g. sun or rain shields; with air-inflated pads or removable linings
    • A42B1/0186—Hats; Caps; Hoods with means for protecting the eyes, ears or nape, e.g. sun or rain shields; with air-inflated pads or removable linings with means for protecting the ears or nape
    • A42B1/0188—Protection for the ears, e.g. removable ear muffs
    • A—HUMAN NECESSITIES
    • A42—HEADWEAR
    • A42B—HATS; HEAD COVERINGS
    • A42B3/00—Helmets; Helmet covers ; Other protective head coverings
    • A42B3/04—Parts, details or accessories of helmets
    • A42B3/0406—Accessories for helmets
    • A42B3/0433—Detecting, signalling or lighting devices
    • A42B3/0453—Signalling devices, e.g. auxiliary brake or indicator lights
    • A—HUMAN NECESSITIES
    • A42—HEADWEAR
    • A42B—HATS; HEAD COVERINGS
    • A42B3/00—Helmets; Helmet covers ; Other protective head coverings
    • A42B3/04—Parts, details or accessories of helmets
    • A42B3/0406—Accessories for helmets
    • A42B3/0433—Detecting, signalling or lighting devices
    • A42B3/046—Means for detecting hazards or accidents
    • A—HUMAN NECESSITIES
    • A42—HEADWEAR
    • A42B—HATS; HEAD COVERINGS
    • A42B3/00—Helmets; Helmet covers ; Other protective head coverings
    • A42B3/04—Parts, details or accessories of helmets
    • A42B3/0406—Accessories for helmets
    • A42B3/0433—Detecting, signalling or lighting devices
    • A42B3/0466—Means for detecting that the user is wearing a helmet
    • A—HUMAN NECESSITIES
    • A42—HEADWEAR
    • A42B—HATS; HEAD COVERINGS
    • A42B3/00—Helmets; Helmet covers ; Other protective head coverings
    • A42B3/04—Parts, details or accessories of helmets
    • A42B3/18—Face protection devices
    • A42B3/22—Visors
    • A42B3/225—Visors with full face protection, e.g. for industrial safety applications
    • A—HUMAN NECESSITIES
    • A42—HEADWEAR
    • A42B—HATS; HEAD COVERINGS
    • A42B3/00—Helmets; Helmet covers ; Other protective head coverings
    • A42B3/04—Parts, details or accessories of helmets
    • A42B3/30—Mounting radio sets or communication systems
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F11/00—Methods or devices for treatment of the ears or hearing sense; Non-electric hearing aids; Methods or devices for enabling ear patients to achieve auditory perception through physiological senses other than hearing sense; Protective devices for the ears, carried on the body or in the hand
    • A61F11/06—Protective devices for the ears
    • A61F11/14—Protective devices for the ears external, e.g. earcaps or earmuffs
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F9/00—Methods or devices for treatment of the eyes; Devices for putting in contact-lenses; Devices to correct squinting; Apparatus to guide the blind; Protective devices for the eyes, carried on the body or in the hand
    • A61F9/04—Eye-masks ; Devices to be worn on the face, not intended for looking through; Eye-pads for sunbathing
    • A61F9/06—Masks, shields or hoods for welders
    • A61F9/065—Masks, shields or hoods for welders use of particular optical filters
    • A61F9/067—Masks, shields or hoods for welders use of particular optical filters with variable transmission
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F9/00—Methods or devices for treatment of the eyes; Devices for putting in contact-lenses; Devices to correct squinting; Apparatus to guide the blind; Protective devices for the eyes, carried on the body or in the hand
    • A61F9/04—Eye-masks ; Devices to be worn on the face, not intended for looking through; Eye-pads for sunbathing
    • A61F9/06—Masks, shields or hoods for welders
    • A61F9/068—Masks, shields or hoods for welders with supply or suction of gas, air or smoke inside or outside the welding hood
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B18/00—Breathing masks or helmets, e.g. affording protection against chemical agents or for use at high altitudes or incorporating a pump or compressor for reducing the inhalation effort
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B27/00—Methods or devices for testing respiratory or breathing apparatus for high altitudes
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B9/00—Component parts for respiratory or breathing apparatus
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B9/00—Component parts for respiratory or breathing apparatus
    • A62B9/006—Indicators or warning devices, e.g. of low pressure, contamination
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/13306—Circuit arrangements or driving methods for the control of single liquid crystal cells
    • G02F1/13318—Circuits comprising a photodetector
    • A—HUMAN NECESSITIES
    • A42—HEADWEAR
    • A42B—HATS; HEAD COVERINGS
    • A42B3/00—Helmets; Helmet covers ; Other protective head coverings
    • A42B3/04—Parts, details or accessories of helmets
    • A42B3/16—Ear protection devices
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06N—COMPUTING ARRANGEMENTS BASED ON SPECIFIC COMPUTATIONAL MODELS
    • G06N20/00—Machine learning
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06N—COMPUTING ARRANGEMENTS BASED ON SPECIFIC COMPUTATIONAL MODELS
    • G06N7/00—Computing arrangements based on specific mathematical models
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
    • H04R1/1083—Reduction of ambient noise

Definitions

  • the present disclosure relates to the field of personal protective equipment. More specifically, the present disclosure relates to indicating exposure to a hazardous environment in a supplied air respiratory system.
  • a PAPR typically includes a blower system comprising a fan powered by an electric motor for delivering a forced flow of air through a tube to a head top worn by a user.
  • a PAPR typically includes a device (i.e., turbo) that draws ambient air through a filter, forces the air through a breathing tube and into a helmet or head top to provide filtered air to a user's breathing zone, around their nose or mouth.
  • An SCBA provides clean air from a compressed air tank through a tube or hose to the interior of a head top worn by a user. In order for a user to benefit from a clean air supply source, it is important for the user to have a seal around the exterior of a head top or helmet worn by the user.
  • the present disclosure provides a system and a method for ensuring that a user of a supplied air respirator system keeps the visor of head top or helmet closed at the proper times to ensure decreased exposure to contaminants in an environment.
  • the present disclosure provides a method for detecting when the visor is in an open position in a hazardous environment and generating an alert when exposure has exceeded a determined threshold, thus increasing worker safety and alerting the worker or others to potentially dangerous situations.
  • Proper and effective use of a supplied air respirator, as determined and alerted, by this system also improves facility, site, or OSHA regulatory compliance.
  • the data gathered will provide context as to who is properly operating their respirator and at what time.
  • the present invention can also provide the benefit of giving a local alert to a user to indicate exposure, instead of only providing a record of hazardous exposure after the fact. This allows a user to address the situation that may be causing or allowing hazardous exposure.
  • the present disclosure includes an exposure-indicating supplied air respirator system.
  • the system comprises a head top, a clean air supply source and a portable communication hub.
  • the head top comprises a visor that is sized to fit over at least a user's nose and mouth, a position sensor secured to the head top, and a head top communication module.
  • the clean air supply source is connected to the head top that supplies clean air to the interior of the head top.
  • the position sensor detects whether the visor is in a closed position or in an open position, and the head top communication module communicates the visor position to the personal communication hub. If the personal communication hub receives a signal indicating the presence of a hazard, and if the visor is in an open position, an alert is generated.
  • the present disclosure includes an exposure-indicating head top system comprising a head top and a portable personal communication hub.
  • the head top comprising a visor that is sized to fit over at least the user's nose and mouth, a position sensor secured to the head top, and a head top communication module.
  • the position sensor detects whether the visor is in a closed position or in an open position, and the head top communication module communicates the visor position to the personal communication hub. If the personal communication hub receives a signal indicating the presence of a hazard, and if the visor is in an open position, an alert is generated.
  • the present disclosure includes an integrated exposure-indicating head top.
  • the head top comprises a visor that is sized to fit over at least the user's nose and mouth, a position sensor secured to the head top, and a head top communication module.
  • the position sensor detects whether the visor is in a closed position or in an open position. If the head top communication module receives a signal indicating the presence of a hazard, and if the visor is in an open position, an alert is generated.
  • the clean air supply source comprises at least one of: a powered air purifying respirator (PAPR) and a self-contained breathing apparatus (SCBA).
  • PAPR powered air purifying respirator
  • SCBA self-contained breathing apparatus
  • the position sensor comprises at least one of: an accelerometer, gyro, magnet, switch or air pressure sensor.
  • system further comprises an environmental beacon, wherein the environmental beacon comprises the environmental sensor and a communication module.
  • the environmental beacon communication module includes at least one of: RFID, Bluetooth and WiFi communication capabilities.
  • the alarm comprises at least one of: tactile, vibration, audible, visual, heads-up display or radio frequency signal.
  • the head top communication module includes at least one of: radio frequency identification (RFID), Bluetooth and WiFi communication capabilities.
  • RFID radio frequency identification
  • Bluetooth Bluetooth and WiFi communication capabilities.
  • the personal communication hub includes at least one of: RFID, Bluetooth and WiFi communication capabilities.
  • the signal indicating the presence of the hazard is a location signal.
  • the signal indicating the presence of the hazard is generated based on detection of a hazard by an environmental sensor.
  • the environmental sensor determines the presence of a hazard when a contaminant level exceeds a designated hazard threshold.
  • the designated hazard threshold is configurable by the user.
  • the designated hazard threshold is stored on at least one of the environmental sensor and the personal communication hub.
  • the alert is generated after the visor has been in an open position for a period of time exceeding a designated exposure threshold.
  • the exposure threshold is configurable by the user.
  • the exposure threshold is stored on at least one of the head top and the personal communication hub.
  • the personal communication hub can be worn or carried.
  • the head top further comprises a head detection sensor.
  • the alert is only generated if the head detection sensor detects that the head top is being worn by the user.
  • the position sensor detects if the visor is in a partially open position.
  • the system further comprises a temperatures sensor on the interior of the head top.
  • the present disclosure further includes a method of alerting a person or a worker when hazardous exposure is detected.
  • the method comprises providing a head top comprising: a visor that is sized to fit over at least the user's nose and mouth, a position sensor, and a head top communication module.
  • the method further comprises detecting with the position sensor whether the visor is in an open or a closed position.
  • the method further comprises detecting the presence of a hazard and generating an alert if the visor is in an open position and if a hazard is present.
  • the presence of the hazard is detected by an environmental sensor.
  • the environmental sensor determines the presence of a hazard when a contaminant level exceeds a designated hazard threshold.
  • the alert is generated after the visor has been in an open position for a period of time exceeding a designated exposure threshold.
  • the head top further comprises a head detection sensor, and wherein the alert is only generated if the head detection sensor detects that the head top is being worn by the user.
  • the method further comprises detecting if the visor is in a partially open position.
  • the head top further comprises a temperature sensor, wherein the temperature sensor detects the temperature in the interior of the head top.
  • FIG. 1 is a system diagram of an exposure indicating supplied air respirator system.
  • FIG. 2 is a block diagram of electronic components in an exposure indicating supplied air respirator system.
  • FIG. 3 is a flow chart associated with determining exposure.
  • FIG. 4 is an exposure-indicating head top.
  • FIG. 5 is an exposure indicating head top and communication hub system.
  • FIG. 1 is a system diagram of an exposure indicating supplied air respirator system 100 .
  • System 100 includes head top 110 , clean air supply source 120 , communication hub 130 , environmental beacon 140 and database 150 .
  • Head top 110 is connected to clean air supply source 120 by hose 119 .
  • Clean air supply source 120 can be any type of air supply source, such as a blower assembly for a powered air purifying respirator (PAPR), an air tank for a self-contained breathing apparatus (SCBA) or any other device that provides air to head top 110 .
  • PAPR powered air purifying respirator
  • SCBA self-contained breathing apparatus
  • clean air supply source 120 is a blower assembly for a PAPR.
  • a PAPR is commonly used by individuals working in areas where there is known to be, or there is a potential of there being dusts, fumes or gases that are potentially harmful or hazardous to health.
  • a PAPR typically includes blower assembly, including a fan driven by an electric motor for delivering a forced flow of air to the respirator user. The air is passed from the PAPR blower assembly through hose 119 to the interior of head top 110 .
  • Head top 110 includes a visor 112 that is sized to fit over at least a user's nose and mouth. Visor 112 includes lens 116 which is secured to helmet 118 by the frame assembly 114 . Head top also includes a position sensor 111 that senses the position of visor 112 relative to helmet 118 to determine if the visor is in an open position or in a closed position. In some instances, position sensor 111 may detect whether visor 112 is partially open, and if so, what measure (e.g., percent or degree) it is open. As an example, the position sensor 110 may be a gyroscope that computes angular yaw, pitch, and/or roll (in degrees or radians) of the visor 112 relative to the helmet 118 .
  • the position sensor 110 may be a magnet. A percent may be estimated respecting how open a visor 112 is in relation to the helmet 118 by determining the magnetic field strength or flux perceived by the position sensor 110 . “Partially open” visor information can be used to denote that the user may be receiving eye and face protection for hazards while still receiving a reasonable amount of respiratory protection. This “partially open” visor state, if kept to short durations, can assist the user in face to face communications with other workers.
  • Position sensor 111 can be a variety of types of sensors, for example, an accelerometer, gyro, magnet, switch, potentiometer, digital positioning sensor or air pressure sensor. Position sensor 111 can also be a combination of any of the sensors listed above, or any other types of sensors that can be used to detected the position of the visor 112 relative to the helmet 118 .
  • Head top 110 may be supported on a user's head by a suspension (not shown).
  • Head top 110 may include other types of sensors.
  • head top 110 may include temperature sensor 113 that detects the ambient temperature in the interior of head top 110 .
  • Head top 110 may include other sensors such as an infrared head detection sensor positioned near the suspension of head top 110 to detect the presence of a head in head top 110 , or in other words, to detect whether head top 110 is being worn at any given point in time.
  • Head top 110 may also include other electronic components, such as a communication module, a power source, such as a battery, and a processing component.
  • a communication module may include a variety of communication capabilities, such as radio frequency identification (RFID), Bluetooth, including any generations of Bluetooth, such as Bluetooth low energy (BLE), any type of wireless communication, such as WiFi, Zigbee, radio frequency or other types of communication methods as will be apparent to one of skill in the art up one reading the present disclosure.
  • RFID radio frequency identification
  • BLE Bluetooth low energy
  • any type of wireless communication such as WiFi, Zigbee, radio frequency or other types of communication methods as will be apparent to one of skill in the art up one reading the present disclosure.
  • Communication module in head top 110 can electronically interface with sensors, such as position sensor 111 or temperature sensor 113 , such that it can transmit information from position sensor 111 or temperature sensor 113 to other electronic devices, including communication hub 130 .
  • Communication hub 130 includes a processor, a communication module and a power supply.
  • the communication module of communication hub 130 can include any desired communication capability, such as: RFID, Bluetooth, including any generations of Bluetooth technology, and WiFi communication capabilities.
  • Communication hub 130 can also include any type of wireless communication capabilities, such as radio frequency or Zigbee communication.
  • Communication hub 130 includes electronics module 132 that has a power source, such as a battery, to provide power to both the processor and communication module.
  • a rechargeable battery such as a Lithium Ion battery, can provide a compact and long-life source of power.
  • Communication hub 130 may be adapted to have electrical contacts exposed or accessible from the exterior of the hub to allow recharging the communication hub 130 .
  • Communication hub 130 can include a processor that can receive, store and process information.
  • communication module in communication hub 130 may receive information from a communication module in head top 110 or directly from the position sensor 111 indicating the position of visor 112 , whether visor 112 is open or closed, and at what time the visor 112 position changed. Any information collected by sensors and transmitted to or from communication hub 130 can be time stamped based on the time of an event that was sensed or detected, based on the time of transmission of information, or both. Processor in communication hub 130 can store this information and compare it with other information received. Other information received may include, for example, information from environmental beacon 140 and information from database 150 .
  • Communication hub 130 can further store rules, such as threshold information both for a length of time visor 112 is allowed to be in an open position before an alert is generated, and the level or type of contaminants that will trigger an alert. For example, when communication hub 130 receives information from environmental beacon 140 that there are no hazards present in the environment, the threshold for the visor 112 being in the open position may be infinite. If a hazard is present in the environment, then the threshold would be determined based upon the concern of the threat to the user. Radiation, dangerous gases, or toxic fumes would all require assignment of the threshold to be on the order of one second or less. Thresholds for head top temperature can be used to predict heat related illness and more frequent hydration and/or rest periods can be recommended to the user.
  • Thresholds can be used for predicted battery run time. As the battery nears selectable remaining run time, the user can be notified/warned to complete their current task and seek a fresh battery. When a threshold is exceed for a specific environmental hazard, an urgent alert can be given to the user to evacuate the immediate area. Thresholds can be customized to various levels of openness for the visor. In other words, a threshold for the amount of a time the visor may be open without triggering an alarm may be longer if the visor is in the partially open position as compared to the open position.
  • a user's individual state of health could be a factor for adjusting the threshold. If a user is in a situation where donning or doffing could take a long time, battery notification threshold could be adjusted to allow for time to don and doff PPE.
  • alarms may be informational (not requiring a user response), urgent (repeated and requiring a response or acknowledgement from a user), or emergency (requiring immediate action from a user.)
  • the type of alert or alarm can be tailored to the environment. Different types of alerts and alarms can be coupled together to get user attention. In some instances, a user may be able to “snooze” an alert or alarm.
  • Communication hub 130 may include a user interface, such as a display, lights, buttons, keys (such as arrow or other indicator keys), and may be able to provide alerts to the user in a variety of ways, such as by sounding an alarm or vibrating.
  • the user interface can be used for a variety of functions. For example, a user may be able to acknowledge or snooze an alert through the user interface.
  • the user interface may also be used to control settings for the head top and/or turbo peripherals that are not immediately within the reach of the user. For example, the turbo may be worn on the lower back where the wearer cannot access the controls without significant difficulty.
  • Communication hub 130 can be portable such that it can be carried or worn by a user. Communication hub 130 can also be personal, such that it is used by an individual and communicates with personal protective equipment (PPE) assigned to that individual. In FIG. 1 , communication hub 130 is secured to a user using a strap 134 . However, communication hub may be carried by a user or secured to a user in other ways, such as being secured to PPE being worn by the user, to other garments being worn to a user, being attached to a belt, band, buckle, clip or other attachment mechanism as will be apparent to one of skill in the art upon reading the present disclosure.
  • PPE personal protective equipment
  • Environmental beacon 140 includes at least environmental sensor 142 which detects the presence of a hazard and communication module 144 .
  • Environmental sensor 142 may detect a variety of types of information about the area surrounding environmental beacon 140 .
  • environmental sensor 142 may be a thermometer detecting temperature, a barometer detecting pressure, an accelerometer detecting movement or change in position, an air contaminant sensor for detecting potential harmful gases like carbon monoxide, or for detecting air-born contaminants or particulates such as smoke, soot, dust, mold, pesticides, solvents (e.g., isocyanates, ammonia, bleach, etc.), and volatile organic compounds (e.g., acetone, glycol ethers, benzene, methylene chloride, etc.).
  • Environmental sensor 142 may detect, for example any common gasses detected by a four gas sensor, including: CO, O2, HS and Low Exposure Limit. In some instances, environmental sensor 142 may determine the presence of a hazard when a contaminant level exceeds a designated hazard threshold. In some instances, the designated hazard threshold is configurable by the user or operator of the system. In some instances, the designated hazard threshold is stored on at least one of the environmental sensor and the personal communication hub. In some instances, the designated hazard threshold is stored on database 150 and can be sent to communication hub 130 or environmental beacon 140 and stored locally on communication hub 130 or environmental beacon 140 .
  • Environmental beacon communication module 144 is electronically connected to environmental sensor 142 to receive information from environmental sensor 142 .
  • Communication module 144 may include a variety of communication capabilities, such as: RFID, Bluetooth, including any generations of Bluetooth technology, and WiFi communication capabilities.
  • Communication hub 130 can also include any type of wireless communication capabilities, such as radio frequency or Zigbee communication.
  • environmental beacon 140 may store hazard information based on the location of environmental beacon 140 . For example, if environmental beacon 140 is in an environment known to have physical hazards, such as the potential of flying objects, environmental beacon 140 may store such information and communicate the presence of a hazard based on the location of environmental beacon 140 . In other instances, the signal indicating the presence of a hazard may be generated by environmental beacon 140 based on detection of a hazard by environmental sensor 142 .
  • the system may also have an exposure threshold.
  • An exposure threshold can be stored on any combination of database 150 , communication hub 130 , environmental beacon 140 , and head top 110 .
  • a designated exposure threshold is the time threshold during which a visor 112 can be in the open position before an alert is generated. In other words, if the visor is in the open position for a period of time exceeding a designated exposure threshold, an alert may be generated.
  • the designated exposure threshold may be configurable by a user or operator of the system. The designated exposure threshold may depend on personal factors related to the individual's health, age, or other demographic information, on the type of environment the user is in, and on the danger of the exposure to the hazard.
  • An alert can be generated in a variety of scenarios and in a variety of ways.
  • the alert may be generated by the communication hub 130 based on information received from head top 110 and environmental sensor 140 .
  • An alert may be in the form of an electronic signal transmitted to database 150 or to any other component of system 100 .
  • An alert may comprise one or more of the following types of signals: tactile, vibration, audible, visual, heads-up display or radio frequency signal.
  • FIG. 2 is a block diagram of electronic components in an exposure indicating supplied air respirator system 200 .
  • Supplied air respirator system 200 communicates electronically with environmental beacon 240 and database 250 using any type of wireless communication mode, such as RFID, Bluetooth, including any generations of Bluetooth technology, and WiFi communication capabilities, radio frequency or Zigbee communication.
  • Environmental beacon 240 and database 250 may communicate wirelessly or through wired connection.
  • Supplied air respirator system 200 includes head top 210 , communication hub 230 and clean air supply source 220 .
  • Head top 210 includes several electronic components, such as position sensor 211 , head detection sensor 212 , temperature sensor 213 , and communication module 214 . While these are exemplary electronic components in head top 210 , head top 210 may contain additional electronic components such as a processor to receive, store and process information from each of position sensor 211 , head detection sensor 212 , and temperature sensor 213 , along with information received by communication module 214 from other devices. A processor may also control some or all of the sensors and communication module in head top 210 . Other types of components, such as a battery or other power source and other types of sensors may also be included in head top 210 .
  • Communication hub 230 communicates electronically with each of head top 210 and clean air supply source 220 .
  • Communication hub 230 can include any desired communication capability, such as: RFID, Bluetooth, including any generations of Bluetooth technology, and WiFi communication capabilities.
  • Communication hub 230 can also include any type of wireless communication capabilities, such as radio frequency or Zigbee communication.
  • Communication hub 230 may also communicate electronically with environmental beacon 240 and database 250 .
  • Clean air supply source 220 includes a motor and fan assembly that provides a pressurized source of air to head top 210 . Additionally, clean air supply source includes a processor 224 and a communication module 222 . Processor 224 may interface with other components within clean air supply source 220 . For example, processor 224 may interface with the battery or power source for clean air supply source 220 to determine how much battery life remains for the particular battery at any given point in time. Processor 224 may also communicate with the motor controlling fan speed, to determine how much air is being forced through the filter in clean air supply source 220 , and therefore estimate remaining filter life. Data from the position sensor 211 may also be collected by the processor 224 to determine the measure that a visor is open or closed and/or the frequency that the visor changes status.
  • Head detection sensor 212 and temperature sensor 213 data may also be transmitted to the processor 224 for additional analysis. In one example, if the head detection sensor 212 does not detect a head nor does the temperature sensor 213 indicate a rise in temperature and the position sensor 211 is open, then an alert will not be generated, transmitted, or stored.
  • Processor 224 in clean air supply source 220 may track information such as flow rate, pressure drop across the filter, filter presence/identification on filter, battery run time, blower run time, filter run time, and whether the head top is a loose or tight fitting head top.
  • Communication module 222 is in electrical communication with processor 224 .
  • Communication module 222 may include any desired communication capability, such as: RFID, Bluetooth, including any generations of Bluetooth technology, and WiFi communication capabilities.
  • Communication module 222 can also include any type of wireless communication capabilities, such as radio frequency or Zigbee communication.
  • Communication module can communicate wireless with communication hub 230 . In some instances, communication module may communicate with other devices, such as environmental beacon 240 and database 250 .
  • FIG. 3 is a flow chart 300 associated with determining exposure, and indicating exposure to a user. While the steps shown in FIG. 3 are exemplary steps associated with the present disclosure, variations on the order of the steps, and additional steps, will be apparent to one of skill in the art upon reading the present disclosure.
  • Step 310 includes providing a head top to a user.
  • a head top can include a visor that is sized to fit over at least user's nose and mouth, a position sensor, and a head top communication module.
  • a head top communication module Various embodiments of head tops are described herein.
  • additional pieces of PPE or other devices may be provided, such as a clean air supply source, a personal communication hub, or any other desired component.
  • Step 320 includes detecting if the visor is in an open position.
  • the visor position is detected by a position sensor in the head top. If the visor is in a closed position (or is not in an open position), step 320 is repeated. If the visor is in an open position, the system then queries whether a hazard is present in step 330 .
  • a hazard may be detected in a variety of ways, as described herein.
  • an alert is generated in step 340 .
  • an alert may comprise one or more of the following types of signals: tactile, vibration, audible, visual, heads-up display or radio frequency signal.
  • an alert is not generated unless an exposure threshold and/or a hazard threshold is first met.
  • the presence of the hazard is detected by an environmental sensor.
  • the environmental sensor determines the presence of a hazard when a contaminant level exceeds a designated hazard threshold.
  • the alert is generated after the visor has been in an open position for a period of time exceeding a designated exposure threshold.
  • the head top further comprises a head detection sensor, and wherein the alert is only generated if the head detection sensor detects that the head top is being worn by the user.
  • the system also detects if the visor is in a partially open position.
  • the head top further comprises a temperature sensor, wherein the temperature sensor detects the temperature in the interior of the head top.
  • FIG. 4 is an exposure-indicating head top system 400 that includes a head top 410 with a visor 412 that is sized to fit over at least a user's nose and mouth.
  • Visor 412 includes lens 416 which is secured to helmet 418 by the frame assembly 414 .
  • Head top also includes a position sensor 411 that senses the position of visor 412 relative to helmet 418 to determine if the visor is in an open position or in a closed position. In some instances, position sensor 411 may detect whether visor 412 is partially open, and if so, what measure (e.g., percent or degree) it is open.
  • the position sensor 110 may be a gyroscope that computes angular yaw, pitch, and/or roll (in degrees or radians) of the visor 112 relative to the helmet 118 .
  • the position sensor 110 may be a magnet. A percent may be estimated respecting how open a visor 112 is in relation to the helmet 118 by determining the magnetic field strength or flux perceived by the position sensor 110 .
  • Position sensor 411 can be a variety of types of sensors, for example, an accelerometer, gyro, magnet, switch or air pressure sensor. Position sensor 411 can also be a combination of any of the sensors listed above, or any other types of sensors that can be used to detected the position of the visor 412 relative to the helmet 418 .
  • Head top 410 may be supported on a user's head by a suspension (not shown).
  • Head top 410 may include other types of sensors.
  • head top 410 may include temperature sensor 413 that detects the ambient temperature in the interior of head top 410 .
  • Head top 410 may include other sensors such as an infrared head detection sensor positioned near the suspension of head top 410 to detected the presence of a head in head top 410 , or in other words, to detect whether head top 410 is being worn at any given point in time.
  • Head top 410 may also include other electronic components, such as a communication module 417 , a power source, such as a battery, and a processing component.
  • a communication module may include a variety of communication capabilities, such as radio frequency identification (RFID), Bluetooth, including any generations of Bluetooth, such as Bluetooth low energy (BLE), any type of wireless communication, such as WiFi, Zigbee, radio frequency or other types of communication methods as will be apparent to one of skill in the art up one reading the present disclosure.
  • RFID radio frequency identification
  • BLE Bluetooth low energy
  • any type of wireless communication such as WiFi, Zigbee, radio frequency or other types of communication methods as will be apparent to one of skill in the art up one reading the present disclosure.
  • Communication module can electronically interface with sensors, such as position sensor 411 or temperature sensor 413 , such that it can transmit information from position sensor 411 or temperature sensor 413 to other electronic devices, including communication hub 430 .
  • Communication hub 430 may include a user interface, such as a display, lights, buttons, keys (such as arrow or other indicator keys), and may be able to provide alerts to the user in a variety of ways, such as by sounding an alarm or vibrating.
  • a user can set up WiFi parameters for the hub.
  • the user interface includes, for example, a button, LED's and vibration ability.
  • Communication hub 430 can be portable such that it can be carried or worn by a user. Communication hub 430 can also be personal, such that it is used by an individual and communicates with personal protective equipment (PPE) assigned to that individual. In FIG. 4 , communication hub 430 is secured to a user using a strap 434 . However, communication hub may be carried by a user or secured to a user in other ways, such as being secured to PPE being worn by the user, to other garments being worn to a user, being attached to a belt, band, buckle, clip or other attachment mechanism as will be apparent to one of skill in the art upon reading the present disclosure.
  • PPE personal protective equipment
  • FIG. 5 is an integrated exposure indicating head top and communication hub system 500 .
  • the system 500 includes a head top 510 .
  • Head top 510 includes at least a visor 512 that is sized to fit over at least the user's nose and mouth.
  • Head top 510 further includes a position sensor 511 that detects whether the visor is in a closed position or in an open position.
  • Head top 510 also includes communication module 517 . If communication modules 517 receives a signal indicating the presence of a hazard, and if the visor 512 is in an open position, an alert as generated.
  • Communication module 517 may include a variety of communication capabilities, such as radio frequency identification (RFID), Bluetooth, including any generations of Bluetooth, such as Bluetooth low energy (BLE), any type of wireless communication, such as WiFi, Zigbee, radio frequency or other types of communication methods as will be apparent to one of skill in the art up one reading the present disclosure.
  • RFID radio frequency identification
  • BLE Bluetooth low energy
  • any type of wireless communication such as WiFi, Zigbee, radio frequency or other types of communication methods as will be apparent to one of skill in the art up one reading the present disclosure.
  • Communication module 517 may receive a signal indicating the presence of a hazard from a variety of other devices, such as an environmental beacon, a database or another communication device, such as a communication hub as described herein.
  • a head top 110 of a 3MTM VersafloTM Heavy Industry PAPR Kit TR-300-HIK obtained from 3M Company of St. Paul, Minn. was modified to include a position sensor 111 between the visor 112 and helmet 118 .
  • the position sensor 110 was a LIS3MDL magnetometer obtained from ST Microelectronics.
  • a communication hub 130 as described herein was wirelessly connected via Bluetooth to a processor within the head top that monitored the position sensor 111 .
  • a beacon 140 Kontakt.io Smart Beach Two obtained from Griffin.io was programmed with a geographical location using global positioning system (GPS) coordinates and a radiation hazardous environmental condition.
  • the visor 112 of the head top 110 was initially closed.
  • the communication hub 130 wirelessly contacted the beacon 140 and determined that the head top was located in hazardous environment based upon the GPS location and radiation hazard status.
  • the visor 112 was then opened and an alert was generated and was indicated with flashing light emitting diodes (LEDS) on the communication hub 130 .
  • LEDS flashing light emitting diodes
  • each of the communication modules in the various devices described throughout may be enabled to communicate as part of a larger network or with other devices to allow for a more intelligent infrastructure.
  • Information gathered by various sensors may be combined with information from other sources, such as information captured through a video feed of a work space or an equipment maintenance space.
  • a portal configuration may be used such that if any of the systems described herein detect that a user or worker has exceeded a given threshold (whether high or low), the worker is prevented from physically gaining access to a particular work space or other area.
  • Information gathered by the systems described herein can be used for further data analytics to determine compliance with various rules or regulations, and to improve safety processes.
  • a geo-location device such as a global positioning system (GPS) may be incorporated into any of the systems described herein to provide user location.
  • GPS global positioning system
  • the information collected by the systems and sensors described herein may be used to determine remaining service life of any PPE.
  • aspects of the disclosure include methods and systems for determining time of use (wear time) of articles, such as PPE articles, by determining if they satisfy at least one criterion.
  • spatially related terms including but not limited to, “proximate,” “distal,” “lower,” “upper,” “beneath,” “below,” “above,” and “on top,” if used herein, are utilized for ease of description to describe spatial relationships of an element(s) to another.
  • Such spatially related terms encompass different orientations of the device in use or operation in addition to the particular orientations depicted in the figures and described herein. For example, if an object depicted in the figures is turned over or flipped over, portions previously described as below or beneath other elements would then be above or on top of those other elements.
  • an element, component, or layer for example when an element, component, or layer for example is described as forming a “coincident interface” with, or being “on,” “connected to,” “coupled with,” “stacked on” or “in contact with” another element, component, or layer, it can be directly on, directly connected to, directly coupled with, directly stacked on, in direct contact with, or intervening elements, components or layers may be on, connected, coupled or in contact with the particular element, component, or layer, for example.
  • an element, component, or layer for example is referred to as being “directly on,” “directly connected to,” “directly coupled with,” or “directly in contact with” another element, there are no intervening elements, components or layers for example.
  • the techniques of this disclosure may be implemented in a wide variety of computer devices, such as servers, laptop computers, desktop computers, notebook computers, tablet computers, hand-held computers, smart phones, and the like. Any components, modules or units have been described to emphasize functional aspects and do not necessarily require realization by different hardware units.
  • the techniques described herein may also be implemented in hardware, software, firmware, or any combination thereof. Any features described as modules, units or components may be implemented together in an integrated logic device or separately as discrete but interoperable logic devices. In some cases, various features may be implemented as an integrated circuit device, such as an integrated circuit chip or chipset.
  • modules have been described throughout this description, many of which perform unique functions, all the functions of all of the modules may be combined into a single module, or even split into further additional modules.
  • the modules described herein are only exemplary and have been described as such for better ease of understanding.
  • the techniques may be realized at least in part by a computer-readable medium comprising instructions that, when executed in a processor, performs one or more of the methods described above.
  • the computer-readable medium may comprise a tangible computer-readable storage medium and may form part of a computer program product, which may include packaging materials.
  • the computer-readable storage medium may comprise random access memory (RAM) such as synchronous dynamic random access memory (SDRAM), read-only memory (ROM), non-volatile random access memory (NVRAM), electrically erasable programmable read-only memory (EEPROM), FLASH memory, magnetic or optical data storage media, and the like.
  • RAM random access memory
  • SDRAM synchronous dynamic random access memory
  • ROM read-only memory
  • NVRAM non-volatile random access memory
  • EEPROM electrically erasable programmable read-only memory
  • FLASH memory magnetic or optical data storage media, and the like.
  • the computer-readable storage medium may also comprise a non-volatile storage device, such as a hard-disk, magnetic tape, a compact disk (CD), digital versatile disk (DVD), Blu-ray disk, holographic data storage media, or other non-volatile storage device.
  • a non-volatile storage device such as a hard-disk, magnetic tape, a compact disk (CD), digital versatile disk (DVD), Blu-ray disk, holographic data storage media, or other non-volatile storage device.
  • processor may refer to any of the foregoing structure or any other structure suitable for implementation of the techniques described herein.
  • functionality described herein may be provided within dedicated software modules or hardware modules configured for performing the techniques of this disclosure. Even if implemented in software, the techniques may use hardware such as a processor to execute the software, and a memory to store the software. In any such cases, the computers described herein may define a specific machine that is capable of executing the specific functions described herein. Also, the techniques could be fully implemented in one or more circuits or logic elements, which could also be considered a processor.

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US15/190,564 2016-06-23 2016-06-23 Indicating hazardous exposure in a supplied air respirator system Active US10610708B2 (en)

Priority Applications (67)

Application Number Priority Date Filing Date Title
US15/190,564 US10610708B2 (en) 2016-06-23 2016-06-23 Indicating hazardous exposure in a supplied air respirator system
KR1020197002058A KR20190022686A (ko) 2016-06-23 2017-06-22 공기 공급식 호흡기 시스템에서의 위험한 노출의 지시
EP17740820.0A EP3474958B1 (fr) 2016-06-23 2017-06-22 Indication d'exposition dangereuse dans un système de respirateur à approvisionnement d'air
AU2017281368A AU2017281368B9 (en) 2016-06-23 2017-06-22 Indicating hazardous exposure in a supplied air respirator system
CN201780038616.XA CN109310893B (zh) 2016-06-23 2017-06-22 指示供气式呼吸器系统中的危险暴露
BR112018076861-8A BR112018076861A2 (pt) 2016-06-23 2017-06-22 indicando exposição perigosa em um sistema de respirador de ar fornecido
RU2018146194A RU2719814C1 (ru) 2016-06-23 2017-06-22 Индикация опасного внешнего воздействия в респираторной системе с подачей воздуха
CA3029217A CA3029217A1 (fr) 2016-06-23 2017-06-22 Indication d'exposition dangereuse dans un systeme de respirateur a approvisionnement d'air
PCT/US2017/038846 WO2017223367A1 (fr) 2016-06-23 2017-06-22 Indication d'exposition dangereuse dans un système de respirateur à approvisionnement d'air
CN201780038915.3A CN109310894B (zh) 2016-06-23 2017-06-23 用于个人防护装备的利用反射材料的可见光透射物体的像素光学感测
CA3029239A CA3029239A1 (fr) 2016-06-23 2017-06-23 Protection de soudage a detection d'exposition servant a eviter un danger de soudage pro-actif
PCT/US2017/039041 WO2017223476A1 (fr) 2016-06-23 2017-06-23 Équipement de protection personnelle (ppe) à traitement de flux analytique pour la détection d'événement de sécurité
US16/310,905 US11963571B2 (en) 2016-06-23 2017-06-23 Pixel optical sensing of visibly transparent object utilizing reflective materials for personal protective equipment
EP17735343.0A EP3475894A1 (fr) 2016-06-23 2017-06-23 Équipement de protection personnelle (ppe) à traitement de flux analytique pour la détection d'événement de sécurité
AU2017281894A AU2017281894A1 (en) 2016-06-23 2017-06-23 Personal protective equipment system having analytics engine with integrated monitoring, alerting, and predictive safety event avoidance
EP17736840.4A EP3475896B1 (fr) 2016-06-23 2017-06-23 Système d'équipement de protection individuelle possédant un moteur analytique à surveillance, alerte et évitement d'évènement de sécurité prédictif intégrés
KR1020197002057A KR102438591B1 (ko) 2016-06-23 2017-06-23 사전 대비적 사운드 위험 회피를 위한 위치 및 사운드 모니터링 센서를 갖는 청력 보호기
US16/310,893 US11925232B2 (en) 2016-06-23 2017-06-23 Hearing protector with positional and sound monitoring sensors for proactive sound hazard avoidance
PCT/US2017/039003 WO2017223451A1 (fr) 2016-06-23 2017-06-23 Dispositif de protection auditive présentant des détecteurs de position et de surveillance du son destinés à éviter les risques proactifs liés au son
RU2018146189A RU2715116C1 (ru) 2016-06-23 2017-06-23 Сварочный щиток с обнаружением внешнего воздействия для упреждающего предотвращения опасного воздействия при сварке
AU2017281906A AU2017281906B2 (en) 2016-06-23 2017-06-23 Welding shield with exposure detection for proactive welding hazard avoidance
KR1020197002061A KR102013114B1 (ko) 2016-06-23 2017-06-23 안전 이벤트 검출을 위한 분석 스트림 처리를 가진 개인 보호 장비(ppe)
RU2018146884A RU2718976C1 (ru) 2016-06-23 2017-06-23 Система, содержащая средство индивидуальной защиты, c аналитической подсистемой, включающей интегрированные мониторинг, сигнальное оповещение и прогнозное предотвращение связанных с безопасностью событий
PCT/US2017/039030 WO2017223469A1 (fr) 2016-06-23 2017-06-23 Détection optique de pixel d'objet visiblement transparent à l'aide de matériaux réfléchissants pour équipement de protection personnelle
EP17737124.2A EP3474956A1 (fr) 2016-06-23 2017-06-23 Protection de soudage à détection d'exposition servant à éviter un danger de soudage pro-actif
PCT/US2017/039015 WO2017223459A1 (fr) 2016-06-23 2017-06-23 Protection de soudage à détection d'exposition servant à éviter un danger de soudage pro-actif
BR112018076802-2A BR112018076802A2 (pt) 2016-06-23 2017-06-23 blindagem de soldagem com detecção de exposição para evitar riscos de soldagem proativos
RU2018146887A RU2719555C1 (ru) 2016-06-23 2017-06-23 Система, содержащая средство индивидуальной защиты (PPE), c аналитической обработкой потоков данных для распознавания связанных с безопасностью событий
AU2017281902A AU2017281902B2 (en) 2016-06-23 2017-06-23 Hearing protector with positional and sound monitoring sensors for proactive sound hazard avoidance
AU2017281699A AU2017281699B2 (en) 2016-06-23 2017-06-23 Personal protective equipment (PPE) with analytical stream processing for safety event detection
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JP2020139018A JP2021002356A (ja) 2016-06-23 2020-08-20 安全イベント検出のための解析ストリーム処理を伴う個人用保護具（ｐｐｅ）
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US17/660,660 US11689833B2 (en) 2016-06-23 2022-04-26 Personal protective equipment (PPE) with analytical stream processing for safety event detection
US18/312,736 US11979696B2 (en) 2016-06-23 2023-05-05 Personal protective equipment (PPE) with analytical stream processing for safety event detection
US18/649,188 US12368984B2 (en) 2016-06-23 2024-04-29 Personal protective equipment (PPE) with analytical stream processing for safety event detection
US19/243,509 US20250317673A1 (en) 2016-06-23 2025-06-19 Personal protective equipment (ppe) with analytical stream processing for safety event detection

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US16/310,905 Continuation US11963571B2 (en) 2016-06-23 2017-06-23 Pixel optical sensing of visibly transparent object utilizing reflective materials for personal protective equipment
US16/310,899 Continuation US10849790B2 (en) 2016-06-23 2017-06-23 Welding shield with exposure detection for proactive welding hazard avoidance
US15/631,950 Continuation-In-Part US11023818B2 (en) 2016-06-23 2017-06-23 Personal protective equipment system having analytics engine with integrated monitoring, alerting, and predictive safety event avoidance
US15/631,870 Continuation-In-Part US9998804B2 (en) 2016-06-23 2017-06-23 Personal protective equipment (PPE) with analytical stream processing for safety event detection
PCT/US2017/039015 Continuation WO2017223459A1 (fr) 2016-06-23 2017-06-23 Protection de soudage à détection d'exposition servant à éviter un danger de soudage pro-actif

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